Home / 113,837,646.30-157,096,004.76-61,626,681.90

Finding the Fourth Proportional to 113,837,646.30, 157,096,004.76 and 61,626,681.90

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Solution

The fourth proportional to 113,837,646.30, 157,096,004.76 and 61,626,681.90 is: 85,044,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,837,646.30 : 157,096,004.76 = 61,626,681.90 : x
  2. Step 2: Convert to fraction form
    113,837,646.30/157,096,004.76 = 61,626,681.90/x
  3. Step 3: Cross multiply
    113,837,646.30x = 157,096,004.76 × 61,626,681.90
  4. Step 4: Simplify right side
    113,837,646.30x = 9,681,305,513,105,406
  5. Step 5: Solve for x
    x = 9,681,305,513,105,406/113,837,646.30
  6. Step 6: Final answer
    x = 85,044,849.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.